23212454400020 has 48 divisors (see below), whose sum is σ = 49089853612800. Its totient is φ = 9219670911360.

The previous prime is 23212454400013. The next prime is 23212454400029. The reversal of 23212454400020 is 2000445421232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212454400029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2479580 + ... + 7250739.

It is an arithmetic number, because the mean of its divisors is an integer number (1022705283600).

Almost surely, 2^{23212454400020} is an apocalyptic number.

23212454400020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23212454400020 is an abundant number, since it is smaller than the sum of its proper divisors (25877399212780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23212454400020 is a wasteful number, since it uses less digits than its factorization.

23212454400020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9731168 (or 9731166 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 23212454400020 its reverse (2000445421232), we get a palindrome (25212899821252).

The spelling of 23212454400020 in words is "twenty-three trillion, two hundred twelve billion, four hundred fifty-four million, four hundred thousand, twenty".